Today.Az » Weird / Interesting » World`s tallest tower opens in Tokyo
23 May 2012 [15:08] - Today.Az
The world`s tallest tower and Tokyo`s biggest new landmark, the Tokyo Sky Tree, has opened to the public. Nearly 8,000 visitors were expected to take high-speed elevators up to the observation decks of the tower Tuesday to mark its opening.
It is recognized by Guinness World Records as the tallest tower, beating out the Canton Tower in China, which is 600 meters (1,968 1/2 feet). The world`s tallest structure is Dubai`s Burj Khalifa, which stands 828 meters (2,717 feet). That`s in a different category because it`s a skyscraper, not a tower.
The Sky Tree will serve as a broadcast tower for television and radio, along with being a tourist attraction.
Tokyo Sky Tree is a broadcasting, restaurant, and observation tower in Sumida, Tokyo, Japan. It became the tallest structure in Japan in 2010 and reached its full height of 634.0 metres (2,080 ft) in March 2011, making it the tallest tower in the world, displacing the Canton Tower, and the second tallest structure in the world after Burj Khalifa (829.84 m/2,723 ft).
Led by Tobu Railway and a group of six terrestrial broadcasters headed by NHK, the tower project forms the centrepiece of a large commercial development equidistant from Tokyo Skytree and Oshiage train stations, 7 km (4.3 mi) north-east of Tokyo station. One of its main purposes is to relay television and radio broadcast signals; Tokyo`s current facility, Tokyo Tower with a height of 333 m (1,093 ft), no longer gives complete digital terrestrial television broadcasting coverage because it is surrounded by many high-rise buildings. The project was completed on 29 February 2012, with the tower opening to the public on 22 May 2012.
The tower has seismic proofing, including a central shaft made of reinforced concrete. The main internal pillar is attached to the outer tower structure 125 meters (410 ft) above ground. From there until 375 meters (1,230 ft) the pillar is attached to the tower frame with oil dampers, which act as cushions during an earthquake. According to the designers, the dampers can absorb 50 percent of the energy from an earthquake.
The exterior lattice is painted a colour officially called "Sky Tree White". This is an original colour based on a bluish white traditional Japanese colour called aijiro.
The illumination design was published on 16 October 2009. Two illumination patterns (sky blue and purple) will be used, alternating daily. The tower is illuminated using LED lights.
The cross-section of the tower forms an equilateral triangle on the ground, gradually rounding to become circular at 320 m elevation.
From October to November 2007, suggestions were collected from the general public for the name to be given to the tower. On 19 March 2008, a committee chose six final candidate names: Tokyo Edo Tower, Tokyo Skytree, Mirai Tree, Yumemi Yagura, Rising East Tower, and Rising Tower, with the official name to be decided in a nationwide vote. On 10 June 2008, the official name of the tower was announced as "Tokyo Sky Tree". The name received around 33,000 votes (30%) out of 110,000 cast, with the second most popular name being "Tokyo Edo Tower".
The height of 634 m (2,080 ft) was selected to be easily remembered. The figures 6 (mu), 3 (sa), 4 (shi) stand for "Musashi" an old name of the region where the Tokyo Sky Tree stands.
Tokyo Sky Tree will be used as a radio/television broadcast and communications tower.
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